Samosir, Prisca Oktaviani, author
Fakultas Hukum Universitas Indonesia, 2017
UI - Tesis (Membership)
The Foundation Press, Inc., 1975
Buku Teks
Howard, Marshall C.
Englewood Clifts, 1983
Buku Teks
Butler, Henry N., author
South-Western Publishing, 1987
Buku Teks
Hutabarat, Herman Fasiona, author
2019
UI - Tesis (Membership)